TESTO 875 User Manual

3 Specifications
9
Measuring
Characteristic Values
Temperature range
(can be changed)
-20 - 100 °C/0 - 280°C (-4 - 212 °F/32 -
536°F)
Accuracy
±2 °C (±3.6 °F) or ±2 % of reading
(whichever is the greater)
Reproducibility
±1 °C (±1.8 °F) or ±1 % (whichever is the
greater)
Measuring point
minimum diameter
Standard lens: 10 mm at 1 m
Telephoto lens: 3 mm at 1 m
On-time (time to
image)
30 s
Measuring functions
Standard measurement (1-point), Cold-/
Hotspot
testo 875-2: Display of the surface moisture
distribution via manual entry of the dewpoint
Compensation for
reflected temperature
manual
Setting emissivity 0.01 - 1.00
Image storage
Characteristic Values
File format .bmt
Export options in .bmp, .jpg, .csv
Removable memory SD card
Memory capacity
Scope of delivery: 2 GB (approx. 1000
images)
Lens
Characteristic Values
Standard lens 32° x 23°
Telephoto lens (testo
875-2 optional)
9° x 7°
Aperture 1.0

TESTO 875 Specifications

General

Resolution	160 x 120 pixels
Field of view	32° x 23°
Temperature range	-20 °C to +280 °C
Storage	SD card
Battery life	4 hours
Image refresh rate	9 Hz
Weight	500 g
Operating temperature	-15 °C to +50 °C
Protection class	IP54
Thermal sensitivity	< 80 mK @ 30 °C
Display	3.5" LCD 320 x 240 pixels
Spectral range	8 to 14 µm
Detector type	Uncooled microbolometer